Pershing; John-Joseph.US American general; during World War I commander-in-chief of US troops in Europa; 1860-1948.- General Pershing (left) and his adjutant Lieutenant James Lawton Collins during the Mexican Expedition of 1916/17;"penal expedition" of the US Army into northern Mexico afterthe Mexican attack on the US border town of Columbus; 9.3. 1916.- Photo;1916; headquarters of the US troops in Colonia Dublin;Mexico.